Can a multibillion-dollar biotech prove its RNA drugs are safe for a rare disease? By Kelly ServickDec. 19, 2017 In rodents, repeated messenger RNA treatment produces no dangerous side effects, setting stage for clinical trial
Life may have originated on Earth 4 billion years ago, study of controversial fossils suggests By Elizabeth PennisiDec. 18, 2017 Carbon analysis detects three kinds of microbes in ancient Australian rocks
99-million-year-old ticks sucked the blood of dinosaurs By Gretchen VogelDec. 12, 2017 Samples caught in Burmese amber provide clues to the evolution of the parasites and their hosts
Melting sea ice is stressing out narwhals By Elizabeth PennisiDec. 7, 2017 Studies reveal potentially dangerous responses to human activities
Gene therapy stops bleeding episodes in hemophilia trial By Jocelyn KaiserDec. 6, 2017 New study represents first clear success against the inherited blood disorder
Scientists shape DNA into doughnuts, teddy bears, and an image of the Mona Lisa By Robert F. ServiceDec. 6, 2017 Three new approaches increase the size of DNA "origami" more than 20-fold
An old drug for alcoholism finds new life as cancer treatment By Jocelyn KaiserDec. 6, 2017 Study firms up evidence that disulfiram slows tumor growth
The ink this 3D printer uses is alive. Watch it in action By Roni DenglerDec. 1, 2017 New technology could degrade toxins, facilitate organ transplants
Hubble in a bubble: Scallop eyes act just like tiny telescopes By Andrew WagnerNov. 30, 2017 Tiled, curved mirrors help improve peripheral vision in dim light
Scientists just added two functional letters to the genetic code By Giorgia GuglielmiNov. 29, 2017 Engineered microbes use unnatural DNA bases to make life’s building blocks
Why lefties have the upper hand in sports By Roni DenglerNov. 21, 2017 Handedness gives lefties advantage in high-speed sports
This fly survives a deadly lake by encasing itself in a bubble. Here’s how it makes it By Elizabeth PennisiNov. 20, 2017 Structural changes help this insect survive where most life can’t
GM banana shows promise against deadly fungus strain By Erik StokstadNov. 17, 2017 But consumer distrust could slip up disease-resistant variety
Cancer immunotherapy company tries to explain deaths in recent trial By Roni DenglerNov. 16, 2017 Juno Therapeutics says it is developing a safer T-cell therapy
Mutation in blood clotting gene may extend human life span By Mitch LeslieNov. 15, 2017 Study of Amish community suggests that alteration protects against age-related diseases
Powerful new cancer drugs are saving lives, but can also ignite diabetes or other autoimmune conditions By Jennifer Couzin-FrankelNov. 15, 2017 Studies of people receiving immunotherapies may clarify how normal diabetes arises